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596 lines
22 KiB
TypeScript
596 lines
22 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import type { CacheableUser, ILocalUser, IRemoteUser, User } from '@/models/entities/User.js';
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import { IdentifiableError } from '@/misc/identifiable-error.js';
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import { QueueService } from '@/core/QueueService.js';
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import PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import { IdService } from '@/core/IdService.js';
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import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
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import type { Packed } from '@/misc/schema.js';
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import InstanceChart from '@/core/chart/charts/instance.js';
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import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
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import { WebhookService } from '@/core/WebhookService.js';
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import { CreateNotificationService } from '@/core/CreateNotificationService.js';
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import { DI } from '@/di-symbols.js';
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import type { BlockingsRepository, FollowingsRepository, FollowRequestsRepository, InstancesRepository, UserProfilesRepository, UsersRepository } from '@/models/index.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { bindThis } from '@/decorators.js';
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import Logger from '../logger.js';
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const logger = new Logger('following/create');
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type Local = ILocalUser | {
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id: ILocalUser['id'];
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host: ILocalUser['host'];
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uri: ILocalUser['uri']
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};
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type Remote = IRemoteUser | {
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id: IRemoteUser['id'];
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host: IRemoteUser['host'];
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uri: IRemoteUser['uri'];
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inbox: IRemoteUser['inbox'];
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};
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type Both = Local | Remote;
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@Injectable()
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export class UserFollowingService {
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constructor(
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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@Inject(DI.followingsRepository)
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private followingsRepository: FollowingsRepository,
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@Inject(DI.followRequestsRepository)
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private followRequestsRepository: FollowRequestsRepository,
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@Inject(DI.blockingsRepository)
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private blockingsRepository: BlockingsRepository,
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@Inject(DI.instancesRepository)
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private instancesRepository: InstancesRepository,
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private userEntityService: UserEntityService,
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private idService: IdService,
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private queueService: QueueService,
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private globalEventServie: GlobalEventService,
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private createNotificationService: CreateNotificationService,
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private federatedInstanceService: FederatedInstanceService,
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private webhookService: WebhookService,
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private apRendererService: ApRendererService,
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private globalEventService: GlobalEventService,
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private perUserFollowingChart: PerUserFollowingChart,
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private instanceChart: InstanceChart,
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) {
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}
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@bindThis
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public async follow(_follower: { id: User['id'] }, _followee: { id: User['id'] }, requestId?: string): Promise<void> {
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const [follower, followee] = await Promise.all([
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this.usersRepository.findOneByOrFail({ id: _follower.id }),
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this.usersRepository.findOneByOrFail({ id: _followee.id }),
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]);
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// check blocking
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const [blocking, blocked] = await Promise.all([
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this.blockingsRepository.findOneBy({
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blockerId: follower.id,
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blockeeId: followee.id,
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}),
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this.blockingsRepository.findOneBy({
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blockerId: followee.id,
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blockeeId: follower.id,
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}),
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]);
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if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee) && blocked) {
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// リモートフォローを受けてブロックしていた場合は、エラーにするのではなくRejectを送り返しておしまい。
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const content = this.apRendererService.renderActivity(this.apRendererService.renderReject(this.apRendererService.renderFollow(follower, followee, requestId), followee));
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this.queueService.deliver(followee, content, follower.inbox);
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return;
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} else if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee) && blocking) {
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// リモートフォローを受けてブロックされているはずの場合だったら、ブロック解除しておく。
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await this.blockingsRepository.delete(blocking.id);
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} else {
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// それ以外は単純に例外
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if (blocking != null) throw new IdentifiableError('710e8fb0-b8c3-4922-be49-d5d93d8e6a6e', 'blocking');
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if (blocked != null) throw new IdentifiableError('3338392a-f764-498d-8855-db939dcf8c48', 'blocked');
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}
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const followeeProfile = await this.userProfilesRepository.findOneByOrFail({ userId: followee.id });
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// フォロー対象が鍵アカウントである or
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// フォロワーがBotであり、フォロー対象がBotからのフォローに慎重である or
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// フォロワーがローカルユーザーであり、フォロー対象がリモートユーザーである
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// 上記のいずれかに当てはまる場合はすぐフォローせずにフォローリクエストを発行しておく
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if (followee.isLocked || (followeeProfile.carefulBot && follower.isBot) || (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee))) {
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let autoAccept = false;
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// 鍵アカウントであっても、既にフォローされていた場合はスルー
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const following = await this.followingsRepository.findOneBy({
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followerId: follower.id,
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followeeId: followee.id,
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});
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if (following) {
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autoAccept = true;
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}
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// フォローしているユーザーは自動承認オプション
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if (!autoAccept && (this.userEntityService.isLocalUser(followee) && followeeProfile.autoAcceptFollowed)) {
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const followed = await this.followingsRepository.findOneBy({
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followerId: followee.id,
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followeeId: follower.id,
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});
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if (followed) autoAccept = true;
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}
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if (!autoAccept) {
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await this.createFollowRequest(follower, followee, requestId);
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return;
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}
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}
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await this.insertFollowingDoc(followee, follower);
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if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
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const content = this.apRendererService.renderActivity(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee, requestId), followee));
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this.queueService.deliver(followee, content, follower.inbox);
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}
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}
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@bindThis
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private async insertFollowingDoc(
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followee: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox']
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},
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follower: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox']
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},
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): Promise<void> {
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if (follower.id === followee.id) return;
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let alreadyFollowed = false as boolean;
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await this.followingsRepository.insert({
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id: this.idService.genId(),
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createdAt: new Date(),
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followerId: follower.id,
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followeeId: followee.id,
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// 非正規化
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followerHost: follower.host,
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followerInbox: this.userEntityService.isRemoteUser(follower) ? follower.inbox : null,
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followerSharedInbox: this.userEntityService.isRemoteUser(follower) ? follower.sharedInbox : null,
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followeeHost: followee.host,
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followeeInbox: this.userEntityService.isRemoteUser(followee) ? followee.inbox : null,
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followeeSharedInbox: this.userEntityService.isRemoteUser(followee) ? followee.sharedInbox : null,
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}).catch(err => {
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if (isDuplicateKeyValueError(err) && this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
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logger.info(`Insert duplicated ignore. ${follower.id} => ${followee.id}`);
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alreadyFollowed = true;
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} else {
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throw err;
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}
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});
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const req = await this.followRequestsRepository.findOneBy({
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followeeId: followee.id,
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followerId: follower.id,
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});
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if (req) {
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await this.followRequestsRepository.delete({
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followeeId: followee.id,
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followerId: follower.id,
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});
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// 通知を作成
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this.createNotificationService.createNotification(follower.id, 'followRequestAccepted', {
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notifierId: followee.id,
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});
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}
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if (alreadyFollowed) return;
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this.globalEventService.publishInternalEvent('follow', { followerId: follower.id, followeeId: followee.id });
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//#region Increment counts
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await Promise.all([
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this.usersRepository.increment({ id: follower.id }, 'followingCount', 1),
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this.usersRepository.increment({ id: followee.id }, 'followersCount', 1),
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]);
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//#endregion
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//#region Update instance stats
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if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
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this.federatedInstanceService.fetch(follower.host).then(i => {
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this.instancesRepository.increment({ id: i.id }, 'followingCount', 1);
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this.instanceChart.updateFollowing(i.host, true);
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});
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} else if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
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this.federatedInstanceService.fetch(followee.host).then(i => {
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this.instancesRepository.increment({ id: i.id }, 'followersCount', 1);
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this.instanceChart.updateFollowers(i.host, true);
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});
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}
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//#endregion
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this.perUserFollowingChart.update(follower, followee, true);
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// Publish follow event
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if (this.userEntityService.isLocalUser(follower)) {
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this.userEntityService.pack(followee.id, follower, {
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detail: true,
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}).then(async packed => {
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this.globalEventServie.publishUserEvent(follower.id, 'follow', packed as Packed<'UserDetailedNotMe'>);
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this.globalEventServie.publishMainStream(follower.id, 'follow', packed as Packed<'UserDetailedNotMe'>);
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const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === follower.id && x.on.includes('follow'));
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for (const webhook of webhooks) {
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this.queueService.webhookDeliver(webhook, 'follow', {
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user: packed,
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});
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}
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});
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}
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// Publish followed event
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if (this.userEntityService.isLocalUser(followee)) {
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this.userEntityService.pack(follower.id, followee).then(async packed => {
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this.globalEventServie.publishMainStream(followee.id, 'followed', packed);
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const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === followee.id && x.on.includes('followed'));
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for (const webhook of webhooks) {
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this.queueService.webhookDeliver(webhook, 'followed', {
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user: packed,
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});
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}
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});
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// 通知を作成
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this.createNotificationService.createNotification(followee.id, 'follow', {
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notifierId: follower.id,
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});
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}
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}
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@bindThis
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public async unfollow(
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follower: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox'];
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},
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followee: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox'];
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},
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silent = false,
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): Promise<void> {
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const following = await this.followingsRepository.findOneBy({
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followerId: follower.id,
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followeeId: followee.id,
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});
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if (following == null) {
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logger.warn('フォロー解除がリクエストされましたがフォローしていませんでした');
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return;
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}
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await this.followingsRepository.delete(following.id);
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this.decrementFollowing(follower, followee);
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// Publish unfollow event
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if (!silent && this.userEntityService.isLocalUser(follower)) {
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this.userEntityService.pack(followee.id, follower, {
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detail: true,
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}).then(async packed => {
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this.globalEventServie.publishUserEvent(follower.id, 'unfollow', packed);
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this.globalEventServie.publishMainStream(follower.id, 'unfollow', packed);
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const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === follower.id && x.on.includes('unfollow'));
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for (const webhook of webhooks) {
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this.queueService.webhookDeliver(webhook, 'unfollow', {
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user: packed,
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});
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}
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});
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}
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if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
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const content = this.apRendererService.renderActivity(this.apRendererService.renderUndo(this.apRendererService.renderFollow(follower, followee), follower));
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this.queueService.deliver(follower, content, followee.inbox);
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}
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if (this.userEntityService.isLocalUser(followee) && this.userEntityService.isRemoteUser(follower)) {
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// local user has null host
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const content = this.apRendererService.renderActivity(this.apRendererService.renderReject(this.apRendererService.renderFollow(follower, followee), followee));
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this.queueService.deliver(followee, content, follower.inbox);
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}
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}
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@bindThis
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private async decrementFollowing(
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follower: {id: User['id']; host: User['host']; },
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followee: { id: User['id']; host: User['host']; },
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): Promise<void> {
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this.globalEventService.publishInternalEvent('unfollow', { followerId: follower.id, followeeId: followee.id });
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//#region Decrement following / followers counts
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await Promise.all([
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this.usersRepository.decrement({ id: follower.id }, 'followingCount', 1),
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this.usersRepository.decrement({ id: followee.id }, 'followersCount', 1),
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]);
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//#endregion
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//#region Update instance stats
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if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
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this.federatedInstanceService.fetch(follower.host).then(i => {
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this.instancesRepository.decrement({ id: i.id }, 'followingCount', 1);
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this.instanceChart.updateFollowing(i.host, false);
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});
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} else if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
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this.federatedInstanceService.fetch(followee.host).then(i => {
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this.instancesRepository.decrement({ id: i.id }, 'followersCount', 1);
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this.instanceChart.updateFollowers(i.host, false);
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});
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}
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//#endregion
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this.perUserFollowingChart.update(follower, followee, false);
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}
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@bindThis
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public async createFollowRequest(
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follower: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox'];
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},
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followee: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox'];
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},
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requestId?: string,
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): Promise<void> {
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if (follower.id === followee.id) return;
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// check blocking
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const [blocking, blocked] = await Promise.all([
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this.blockingsRepository.findOneBy({
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blockerId: follower.id,
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blockeeId: followee.id,
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}),
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this.blockingsRepository.findOneBy({
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blockerId: followee.id,
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blockeeId: follower.id,
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}),
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]);
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if (blocking != null) throw new Error('blocking');
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if (blocked != null) throw new Error('blocked');
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const followRequest = await this.followRequestsRepository.insert({
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id: this.idService.genId(),
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createdAt: new Date(),
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followerId: follower.id,
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followeeId: followee.id,
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requestId,
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// 非正規化
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followerHost: follower.host,
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followerInbox: this.userEntityService.isRemoteUser(follower) ? follower.inbox : undefined,
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followerSharedInbox: this.userEntityService.isRemoteUser(follower) ? follower.sharedInbox : undefined,
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followeeHost: followee.host,
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followeeInbox: this.userEntityService.isRemoteUser(followee) ? followee.inbox : undefined,
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followeeSharedInbox: this.userEntityService.isRemoteUser(followee) ? followee.sharedInbox : undefined,
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}).then(x => this.followRequestsRepository.findOneByOrFail(x.identifiers[0]));
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// Publish receiveRequest event
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if (this.userEntityService.isLocalUser(followee)) {
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this.userEntityService.pack(follower.id, followee).then(packed => this.globalEventServie.publishMainStream(followee.id, 'receiveFollowRequest', packed));
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this.userEntityService.pack(followee.id, followee, {
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detail: true,
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}).then(packed => this.globalEventServie.publishMainStream(followee.id, 'meUpdated', packed));
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// 通知を作成
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this.createNotificationService.createNotification(followee.id, 'receiveFollowRequest', {
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notifierId: follower.id,
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followRequestId: followRequest.id,
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});
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}
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if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
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const content = this.apRendererService.renderActivity(this.apRendererService.renderFollow(follower, followee));
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this.queueService.deliver(follower, content, followee.inbox);
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}
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}
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@bindThis
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public async cancelFollowRequest(
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followee: {
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id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']
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},
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follower: {
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id: User['id']; host: User['host']; uri: User['host']
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},
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): Promise<void> {
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if (this.userEntityService.isRemoteUser(followee)) {
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const content = this.apRendererService.renderActivity(this.apRendererService.renderUndo(this.apRendererService.renderFollow(follower, followee), follower));
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if (this.userEntityService.isLocalUser(follower)) { // 本来このチェックは不要だけどTSに怒られるので
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this.queueService.deliver(follower, content, followee.inbox);
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}
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}
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const request = await this.followRequestsRepository.findOneBy({
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followeeId: followee.id,
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followerId: follower.id,
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});
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if (request == null) {
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throw new IdentifiableError('17447091-ce07-46dd-b331-c1fd4f15b1e7', 'request not found');
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}
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await this.followRequestsRepository.delete({
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followeeId: followee.id,
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followerId: follower.id,
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});
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this.userEntityService.pack(followee.id, followee, {
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detail: true,
|
|
}).then(packed => this.globalEventServie.publishMainStream(followee.id, 'meUpdated', packed));
|
|
}
|
|
|
|
@bindThis
|
|
public async acceptFollowRequest(
|
|
followee: {
|
|
id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox'];
|
|
},
|
|
follower: CacheableUser,
|
|
): Promise<void> {
|
|
const request = await this.followRequestsRepository.findOneBy({
|
|
followeeId: followee.id,
|
|
followerId: follower.id,
|
|
});
|
|
|
|
if (request == null) {
|
|
throw new IdentifiableError('8884c2dd-5795-4ac9-b27e-6a01d38190f9', 'No follow request.');
|
|
}
|
|
|
|
await this.insertFollowingDoc(followee, follower);
|
|
|
|
if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
|
|
const content = this.apRendererService.renderActivity(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee, request.requestId!), followee));
|
|
this.queueService.deliver(followee, content, follower.inbox);
|
|
}
|
|
|
|
this.userEntityService.pack(followee.id, followee, {
|
|
detail: true,
|
|
}).then(packed => this.globalEventServie.publishMainStream(followee.id, 'meUpdated', packed));
|
|
}
|
|
|
|
@bindThis
|
|
public async acceptAllFollowRequests(
|
|
user: {
|
|
id: User['id']; host: User['host']; uri: User['host']; inbox: User['inbox']; sharedInbox: User['sharedInbox'];
|
|
},
|
|
): Promise<void> {
|
|
const requests = await this.followRequestsRepository.findBy({
|
|
followeeId: user.id,
|
|
});
|
|
|
|
for (const request of requests) {
|
|
const follower = await this.usersRepository.findOneByOrFail({ id: request.followerId });
|
|
this.acceptFollowRequest(user, follower);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* API following/request/reject
|
|
*/
|
|
@bindThis
|
|
public async rejectFollowRequest(user: Local, follower: Both): Promise<void> {
|
|
if (this.userEntityService.isRemoteUser(follower)) {
|
|
this.deliverReject(user, follower);
|
|
}
|
|
|
|
await this.removeFollowRequest(user, follower);
|
|
|
|
if (this.userEntityService.isLocalUser(follower)) {
|
|
this.publishUnfollow(user, follower);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* API following/reject
|
|
*/
|
|
@bindThis
|
|
public async rejectFollow(user: Local, follower: Both): Promise<void> {
|
|
if (this.userEntityService.isRemoteUser(follower)) {
|
|
this.deliverReject(user, follower);
|
|
}
|
|
|
|
await this.removeFollow(user, follower);
|
|
|
|
if (this.userEntityService.isLocalUser(follower)) {
|
|
this.publishUnfollow(user, follower);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* AP Reject/Follow
|
|
*/
|
|
@bindThis
|
|
public async remoteReject(actor: Remote, follower: Local): Promise<void> {
|
|
await this.removeFollowRequest(actor, follower);
|
|
await this.removeFollow(actor, follower);
|
|
this.publishUnfollow(actor, follower);
|
|
}
|
|
|
|
/**
|
|
* Remove follow request record
|
|
*/
|
|
@bindThis
|
|
private async removeFollowRequest(followee: Both, follower: Both): Promise<void> {
|
|
const request = await this.followRequestsRepository.findOneBy({
|
|
followeeId: followee.id,
|
|
followerId: follower.id,
|
|
});
|
|
|
|
if (!request) return;
|
|
|
|
await this.followRequestsRepository.delete(request.id);
|
|
}
|
|
|
|
/**
|
|
* Remove follow record
|
|
*/
|
|
@bindThis
|
|
private async removeFollow(followee: Both, follower: Both): Promise<void> {
|
|
const following = await this.followingsRepository.findOneBy({
|
|
followeeId: followee.id,
|
|
followerId: follower.id,
|
|
});
|
|
|
|
if (!following) return;
|
|
|
|
await this.followingsRepository.delete(following.id);
|
|
this.decrementFollowing(follower, followee);
|
|
}
|
|
|
|
/**
|
|
* Deliver Reject to remote
|
|
*/
|
|
@bindThis
|
|
private async deliverReject(followee: Local, follower: Remote): Promise<void> {
|
|
const request = await this.followRequestsRepository.findOneBy({
|
|
followeeId: followee.id,
|
|
followerId: follower.id,
|
|
});
|
|
|
|
const content = this.apRendererService.renderActivity(this.apRendererService.renderReject(this.apRendererService.renderFollow(follower, followee, request?.requestId ?? undefined), followee));
|
|
this.queueService.deliver(followee, content, follower.inbox);
|
|
}
|
|
|
|
/**
|
|
* Publish unfollow to local
|
|
*/
|
|
@bindThis
|
|
private async publishUnfollow(followee: Both, follower: Local): Promise<void> {
|
|
const packedFollowee = await this.userEntityService.pack(followee.id, follower, {
|
|
detail: true,
|
|
});
|
|
|
|
this.globalEventServie.publishUserEvent(follower.id, 'unfollow', packedFollowee);
|
|
this.globalEventServie.publishMainStream(follower.id, 'unfollow', packedFollowee);
|
|
|
|
const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === follower.id && x.on.includes('unfollow'));
|
|
for (const webhook of webhooks) {
|
|
this.queueService.webhookDeliver(webhook, 'unfollow', {
|
|
user: packedFollowee,
|
|
});
|
|
}
|
|
}
|
|
}
|